Assertion - refining of Petroleum involves fractional distillation
Reason- fractional distillation involves separation of two immiscible liquids
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Explanation:
The price of coffee rose sharply last month, while the
quantity sold remained the same. Five people suggest various explanations:
Leonard: Demand increased, but supply was perfectly inelastic.
Sheldon: Demand increased, but it was perfectly inelastic.
Penny: Demand increased, but supply decreased at the same time.
Howard: Supply decreased, but demand was unit elastic.
Raj: Supply decreased, but demand was perfectly inelastic.
Who could possibly be right? Use graphs to explain your answer
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